Don Brennan

Pitcher · Career Stats, Bio & Records (1933-1937)

W–L 21–12
ERA 4.19
WHIP 1.55
SO 172
Pitcher PIV 1532.4
Position
Pitcher
Bats / Throws
R / R
Height / Weight
6'0" / 210 lb
Born
12/2/1903 in Augusta, ME, USA
Died
4/26/1953 in Boston, MA, USA
MLB Debut
1933-04-16
Last Game
1937-09-29

Full name: James Donald Brennan

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Career Pitching Statistics

W L G GS CG SHO SV IP H ER HR BB SO ERA Pitcher PIV
21 12 141 26 7 1 19 397.0 436 185 14 180 172 4.19 1532.4

Career ERA 4.19 vs. league average 4.28 across their career seasons — near league average.

Season-by-Season Pitching

Pitching Career Arc

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Year Team Lg W L G GS CG SHO SV IP H ER BB SO ERA Lg ERA Pitcher PIV
1933 NYA AL 5 1 18 10 3 0 3 85.0 92 47 47 46 4.98 3.86 (-29%) -517.0
1934 CIN NL 4 3 28 7 2 0 2 78.0 89 33 35 31 3.81 4.29 (+11%) -36.8
1935 CIN NL 5 5 38 5 2 1 5 114.3 101 40 44 48 3.15 4.35 (+28%) 826.5
1936 CIN NL 5 2 41 4 0 0 9 94.3 117 46 35 40 4.39 4.59 (+4%) 1580.3
1937 CIN NL 1 1 10 0 0 0 0 16.0 25 12 10 6 6.75 4.34 (-56%) -320.6
1937 NY1 NL 1 0 6 0 0 0 0 9.3 12 7 9 1 6.75 4.34 (-56%) 0.0
Career · 6 seasons 21 12 141 26 7 1 19 397.0 436 185 180 172 4.19 — 1,532

Lg columns show the league average for that season, with the player's figure as a percentage above or below it. Career totals the seasons listed above.

Career Batting Statistics

G AB R H 2B 3B HR RBI SB BB SO AVG OBP SLG OPS PIV
141 110 7 17 2 0 0 6 0 6 45 .155 .205 .173 .378 0

Career AVG .155 vs. league average .278 across their career seasons — 44.4% below league average.

Career OBP .205 vs. league average .341 across their career seasons — 39.9% below league average.

Career SLG .173 vs. league average .395 across their career seasons — 56.2% below league average.

Career OPS .378 vs. league average .736 across their career seasons — 48.6% below league average.

Season-by-Season Batting

Career Arc

Click a stat to plot it across every season.

Year Team Lg G AB R H 2B 3B HR RBI SB BB SO AVG Lg AVG Lg OBP Lg SLG Lg OPS PIV
1933 NYA AL 18 27 1 7 0 0 0 2 0 3 9 .259 — — — — 0.0
1934 CIN NL 28 22 2 5 2 0 0 2 0 0 11 .227 — — — — 0.0
1935 CIN NL 38 30 3 3 0 0 0 2 0 2 11 .100 — — — — 0.0
1936 CIN NL 41 25 1 2 0 0 0 0 0 0 10 .080 — — — — 0.0
1937 CIN NL 10 5 0 0 0 0 0 0 0 0 3 .000 — — — — 0.0
1937 NY1 NL 6 1 0 0 0 0 0 0 0 1 1 .000 — — — — 0.0
Career · 6 seasons 141 110 7 17 2 0 0 6 0 6 45 .155 — — — — 0

Lg columns show the league average for that season, with the player's figure as a percentage above or below it. Career totals the seasons listed above.

Postseason Statistics

Playoff Career Batting

G AB R H 2B 3B HR RBI BB SO AVG
2 0 0 0 0 0 0 0 0 0 .000

Playoff Batting by Year

Year Round Team G AB R H 2B 3B HR RBI BB SO AVG
1937 WS NY1 2 0 0 0 0 0 0 0 0 0 .000

Playoff Career Pitching

W L G GS SV IP H ER BB SO ERA
0 0 2 0 0 3.0 1 0 1 1 0.00

Playoff Pitching by Year

Year Round Team W L G GS SV IP H ER BB SO ERA
1937 WS NY1 0 0 2 0 0 3.0 1 0 1 1 0.00

Game Log & Splits

View full game log (282 games) →

Per-game data from Retrosheet (regular season, through 2025).

Batting — Home / Away

SplitGABRHHRRBIAVG
Home755041003.200
Away66603703.117

Pitching — Home / Away

SplitGIPHERBBSOERA
Home75206.12108589893.71
Away66190.22279891854.63

Last 10 Games — Batting

DateTmOppResABRH2B3BHRRBIBBSO
1937-09-29 NY1PHIL 000000000
1937-09-26 NY1BROW 000000000
1937-09-03 NY1BROL 100000001
1937-08-31 NY1STLL 000000000
1937-08-25 NY1CHCW 000000010
1937-08-21 NY1PHIL 000000000
1937-06-09 CINBSNL 100000000
1937-06-04 CINPHIW 100000000
1937-05-31 CINPITL 100000001
1937-05-28 CINCHCL 100000001

Last 10 Games — Pitching

DateTmOppDecIPHRERBBSOHR
1937-09-29 NY1PHI — 1.0100110
1937-09-26 NY1BRO — 0.2011210
1937-09-03 NY1BRO — 3.0754200
1937-08-31 NY1STL — 0.2100000
1937-08-25 NY1CHC W 2.0000100
1937-08-21 NY1PHI — 2.0322300
1937-06-09 CINBSN — 4.0311110
1937-06-04 CINPHI — 1.2533101
1937-05-31 CINPIT — 1.0222200
1937-05-28 CINCHC L 2.1543210

Fielding Statistics

Career Fielding Totals by Position

Position G GS PO A E DP
P 141 0 10 75 5 5

Season-by-Season Fielding

Year Team Pos G GS PO A E DP
1933 NYA P 18 0 3 23 2 2
1934 CIN P 28 0 1 15 1 0
1935 CIN P 38 0 4 14 0 1
1936 CIN P 41 0 1 19 2 2
1937 CIN P 10 0 0 4 0 0
1937 NY1 P 6 0 1 0 0 0

Career Games by Position

Position Diamond

Circle size = games played at each position.

Position Games
Pitcher 141

College History

School Name City State Years Attended
Georgetown University Washington DC 1924, 1925

Most Similar Players

Career comps based on counting + rate stats and primary position. Score is relative — closest peer anchors at ~98%.

Career Spans

Don Brennan (highlighted) compared to peers across the same era.

  1. 98
    Archie McKain
    26-21, 4.26 ERA
  2. 96
    Lou North
    21-16, 4.43 ERA
  3. 89
    Jim Todd
    25-23, 4.23 ERA
  4. 86
    Bob Savage
    16-27, 4.32 ERA
  5. 85
    Earl Harrist
    12-28, 4.34 ERA
  6. 82
    Bryan Clark
    20-23, 4.15 ERA

Frequently Asked Questions about Don Brennan

What years did Don Brennan play?
Don Brennan played in Major League Baseball from 1933 to 1937.
Was Don Brennan a pitcher?
Yes. Don Brennan pitched in the major leagues, recording 21 wins and 172 strikeouts.
How many home runs did Don Brennan hit?
Don Brennan hit 0 career home runs with 17 hits.